MasterTuning Fault code dictionary (DTC)

P2574 — Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low

Severity: Warning Can you drive? With caution: limp mode possible, have it checked soon Make: All makes (OBD-II standard)
MeaningDirect Ozone Reduction Catalyst Deterioration Sensor Circuit Low.
FamilyPowertrain (P)

Frequently asked questions

What does code P2574 mean?

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low. Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low.

Can I keep driving with code P2574 active?

With caution: limp mode possible, have it checked soon

How do you fix code P2574?

Diagnosis starts from reading the live ECU parameters: the code points to the fault area, not to the part to replace. A vehicle-electronics specialist can test the component and clear the code after the repair.

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Where to get it fixed

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